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Siemens HydroRanger 200 HMI - Page 244

Siemens HydroRanger 200 HMI
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Parameter reference
8.6 Setup (2.)
HydroRanger 200 HMI
242 Operating Instructions, 06/2018, A5E36281317-AC
Use the exponent specified by the PMD manufacturer, if available, or the sample value given
below.
Max. flow
Zero head
If flow exponent = 1, the flow characteristic
is a straight line.
Zero flow
Max. head
Note
The exponential equation is Q=KH
Flow Exponent (2.13.4.1.)
Q = flow
K = internal constant
H = head
Example exponents
PMD type
Exponent (sample only)
Suppressed Rectangular Weir
1.50
Cipolletti Weir
1.50
Venturi Flume
1.50
Parshall Flume
1.22 ... 1.607
Leopold Lagco
1.547
V-Notch Weir 2.50

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